Click here to watch the latest Specialty Market video from Ricky Beggs and Black Book. He covers RVs, heavy-duty trucks, motorcycles/powersports and collectible cars. Beggs reported that wholesale values of motorized units are up this month at auction an average of $1,621, or 4%, and towables, including travel trailers, fifth-wheels and camping trailers, are up $205, or a more modest 2%.